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1553.79 STEG Illinois Division of Public Water Supplies c .3 Environmental 2200 Churchill Road Protection Agency Springfield, Ilhnois 62706 Groundwater Quality Protection Program STEGER . FACILITY NUMBER 0314660 WELL SITE SURVEY REPORT / Division of Public Water Supplies IEPA/PWS/93-050 GROUNDWATER QUALITY PROTECTION PROGRAM: STEGER FACILITY NUMBER 0314860 WELL SITE SURVEY REPORT Prepared by: Division of Public Water Supplies Published by: Illinois Environmental Protection Agency Springfield, Illinois August 1993 3TE Q- C-3 TABLE OF CONTENTS I. Introduction II. Facility Description and Geologic Profile of Well Sites III. Groundwater Sampling and Monitoring History lY. Well Site Survey Methods and Procedures Y. Summary YI. Recommendations YII. Technical Appendices A. Topographic Map of Steger Well Site Locations B. Aerial Photographic Map 1) Steger Well No. 1 (lEPA #20578) Summary Description & Unit Inventory 2) Steger Well No. 2 (lEPA #20579) Summary Description Unit Inventory & 3) Steger Well No. 3 (lEPA #20580) Summary Description & Unit Inventory C. Facility Wells Report D. Detailed Sampling/Monitoring Results E. Well Logs Digitized by the Internet Archive in 2019 with funding from University of Illinois Urbana-Champaign https://archive.org/details/stegerfacilitynuOOunse INTRODUCTION This report has been prepared by the Agency pursuant to Section 17.1 of the Illinois Environmental Protection Act (ACT). The report summarizes information about your facility, and samples collected and analyzed from your well(s). The well site survey provides an inventory of the area around your well(s) to help increase your awareness of potential hazards to groundwater utilized by your facility. This information and technical data will assist you in developing and implementing local groundwater protection measures authorized by the Act. FACILITY DESCRIPTION AND GEOLOGIC PROFILE OF WELL SITES Steger has three public water supply wells. The facility produces 820,000 gallons per day on average to an estimated population of 9,600. See Table I for a description of each well. The wells utilize a shallow bedrock aquifer overlain by sand and gravel, within 20 feet of surface, overlain and underlain by relatively impermeable till and other fine grained materials and/or bedrock. Permeability is a measure of the ability of a soil or sediment to transmit fluids. A detailed description and geologic profile is found in the Facility Wells Report (Appendix C). TABLE I Min. Max. Cap. Spec. Treatment Aquifer Well Well Set- Set- (gpm) Cap. Depth Log Back Back (MGD) (gpm/ (ft) Avail (ft.) (ft.)1 Status ft) Well No. 1 200 A 324 NA Cl Shallow 318 Yes (20578) .468 Bedrock Wen No. 2 200 A 699 NA Cl Shallow 325 Yes (20579) 1.008 Bedrock Well No. 3 200 A 399 NA Cl Shallow 378 Yes (20580) .576 FI Bedrock A = Active, I = Inactive, SB = Standby. GROUNDWATER SAMPLING AND MONITORING HISTORY The public water supply wells at Steger were first sampled as part of the Statewide Groundwater Monitoring Network on September 19, 1985. Well no. 3 was sampled May 29, 1987. The well samples were analyzed for volatile organic and aromatic chemicals (YOC/VOA) and inorganic chemicals (IOC). The VOC/VOA analyses performed detected no quantifiable levels of organic chemicals from the wells. The IOC analyses performed found the water in the wells to meet all general guidelines. WELL SITE SURVEY METHODS AND PROCEDURES The detailed well site survey consists of an aerial photographic map and inventory sheets (Appendix B), that relate information about potential sources, routes, and possible problem sites to your water supply wells. The location of potential sources, routes, possible problem sites, water wells minimum setback zones and the 1 ,500 foot survey area are all displayed on the aerial photographic map. The first page of each survey consists of a summary description and geologic profile for each well. The second and following pages of the survey inventory units within and bordering a 1 ,500 foot radius of the wellhead. A unit is defined as "any device, mechanism, equipment, or area (exclusive of land utilized only for agricultural production)". The Agency 5-digit well number is associated with unit or map code, and then classified. The classification codes relate to definitions of potential contamination sources and routes as defined in the Illinois Groundwater Protection Act (see Groundwater Primer pages 18-19). The distance and direction of the unit from the wellhead is also indicated. SURVEY RESULTS AND FINDINGS The well site survey of Steger was conducted on July 21 , 1992 by Gregory White, Environmental Protection Specialist from the Agency's Rockford Regional Office. The following describes the results and findings for Steger. Steger Well No. 1 (lEPA #20578) - The survey area is urban consisting partly of moderate density residential housing and partly of commercial and industrial businesses. The well is located south of 34th Street between Emerald Ave. and Halsted Ave. There are no visible potential sources, routes, or possible problem sites within the minimum setback zone (200 feet). Eleven potential sources or possible problem sites are located outside the minimum setback zone but within the survey area (1500 feet). These sites are Steger Mobil (Map code 1) located 600 feet northeast of the well, Steger U-Haul (Map code 2) located 675 feet southeast of the well, Gooch Foods Inc. (Map code 3) located 1500 feet southeast of the well. Gas City Ltd. (Map code 4) located 1150 feet southeast of the well, Sierren Pizza Crust (Map code 5) located 1400 feet southeast of the well. Modular Building Inc. (Map code 6) located 1500 feet southeast of the well, an unknown building supply warehouse (Map code 7) located 1000 feet southeast of the well. Suburban Furniture Repair i Refinishing (Map code 8 ) located 800 feet southeast of the well. Supreme Oil Company (Map code 9) located northeast of the well. Precision Drive Line (Map code 10) located 1300 feet northeast of the well, and K-Mart Corp. (Map code 12) located 1500 feet northeast of the well. Steger Well No. 2 (lEPA #20579) - The survey area is urban consisting partly of moderate density residential housing and partly of commercial and industrial businesses. The well is located south of 34th Street between Emerald Ave. and Hal sted Ave. There are no visible potential sources, routes, or possible problem sites within the minimum setback zone (200 feet). Eleven potential sources or possible problem sites are located outside the minimum setback zone but within the survey area (1500 feet). These sites are Steger Mobil (Map code 1) located 600 feet northeast of the well, Steger U-Haul (Map code 2) located 675 feet southeast of the well, Gooch Foods Inc. (Map code 3) located 1500 feet southeast of the well. Gas City Ltd. (Map code 4) located 1150 feet southeast of the well, Sierren Pizza Crust (Map code 5) located 1400 feet southeast of the well. Modular Building Inc. (Map code 6) located 1500 feet southeast of the well, an unknown building supply warehouse (Map code 7) located 1000 feet southeast of the well. Suburban Furniture Repair & Refinishing (Map code 8 ) located 800 feet southeast of the well. Supreme Oil Company (Map code 9) located northeast of the well. Precision Drive Line (Map code 10) located 1300 feet northeast of the well, and K-Mart Corp. (Map code 12) located 1500 feet northeast of the well. Steger Well No. 3 (lEPA #20580) - The survey area is urban consisting partly of moderate density residential housing and partly of commercial and industrial businesses. The well is located north of 34th Street and just west of Union Ave. There are no visible potential sources, routes, or possible problem sites within the minimum setback zone (200 feet). Nine potential sources or possible problem sites are located outside the minimum setback zone but within the survey area (1500 feet). These sites are Supreme Oil Company (Map code 9) located 1000 feet southwest of the well, K-Mart Corp. (Map code 12) located 1000 feet southwest of the well, Steger Fire Station #2 (Map code 13) located 300 feet east of the well, Steger Auto Body (Map code 14) located 1000 feet northeast of the well, TRL Tire Service (Map code 15) located 975 feet northeast of the well. Plastic Converters (Map code 16) located 1050 feet northeast of the well, Rex Standard Inc. (Map code 17) located 1200 feet northeast of the well. Tufts Grinding Co. (Map code 18) located 1400 feet northeast of the well, and Ceravello Wood Products (Map code 19) located 1200 feet northeast of the well. SUMMARY The well site survey conducted located several potential sources or possible problem sites outside the minimum setback zone, but within the survey area of each well. The sampling and monitoring to date has detected no contamination in the groundwater utilized by the facility. The Illinois Environmental Protection Act provides minimum protection zones for your wells. These minimum protection zones are regulated by the lEPA. The Act also authorizes county and municipal officials the opportunity to provide maximum protection up to 1,000 feet. The responsibility for the control would then be assumed by local officials through adoption of a maximum setback zone ordinance. Maximum setback zones prohibit the siting of new potential primary sources of groundwater contamination. A maximum setback up to 1,000 feet could expand the regulatory coverage of certain existing and new activities. These controls could be implemented upon the adoption of proposed regulations by the Illinois Pollution Control Board. RECOMMENDATIONS The Agency strongly urges Steger to consider establishing a maximum setback zone for its wells. The Agency has prepared a "Maximum Setback Zone Workbook" which provides detailed case studies of how to establish maximum setback zones. In addition, technical assistance is available from the Agency and the Illinois State Water Survey.